165235570472 has 32 divisors (see below), whose sum is σ = 354089473920. Its totient is φ = 70812594240.

The previous prime is 165235570471. The next prime is 165235570499. The reversal of 165235570472 is 274075532561.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (165235570471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2505197 + ... + 2570307.

It is an arithmetic number, because the mean of its divisors is an integer number (11065296060).

Almost surely, 2^165235570472 is an apocalyptic number.

It is an amenable number.

165235570472 is an abundant number, since it is smaller than the sum of its proper divisors (188853903448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165235570472 is a wasteful number, since it uses less digits than its factorization.

165235570472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110441 (or 110437 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 165235570472 in words is "one hundred sixty-five billion, two hundred thirty-five million, five hundred seventy thousand, four hundred seventy-two".